Hinge for Oral Sleep Appliance

2 . 1 is a perspective view of hinge for oral sleep appliance;

2 . 2 is a front view thereof;

2 . 3 is a rear view thereof;

2 . 4 is a top view thereof;

2 . 5 is a bottom view thereof;

2 . 6 is a right view thereof;

2 . 7 is a left view thereof; and

2 . 8 is an enlarged view of 2 . 6 .

In the reproductions, the broken lines are for the purpose of illustrating portions of the hinge for oral sleep appliance and form no part of the claimed design.